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About Volcanoes Image Credit: Iswanto Arif / Unsplash 1 0 The Kīlauea Volcano: Be a Volcanologist About Volcanoes ® The Kīlauea Volcano: Be a Volcanologist 0 About Volcanoes tudents explore background information about volcanoes in order to ensure they have the understandings necessary to participate in the following series of lessons. Students work with a team to sort a set of volcanoes into categories of their own choosing based on images Sand data. They read about categories commonly used to classify volcanoes by type (composite, shield, and cinder cone) and status (active, dormant, and extinct), and classify the set of volcanoes into these categories. GUIDING QUESTION How do scientists monitor volcanoes in order to predict hazards and keep the public safe? The Kīlauea Volcano: Be a Volcanologist Lesson 0: About Volcanoes MATERIALS Teacher Materials • About Volcanoes visual - Volcano photographs Student Materials • Volcano Card Sort Data handout (online or print) (1 per team of 4) • Volcanology handout (1 per student) LESSON PREPARATION • Decide whether to use hard copies of the handouts or have students access the online version. - If students will use hard copies, prior to class, ask a student to cut apart the volcano profile cards in each Volcano Card Sort Data handout, so the teams can sort them. If desired, the cards can be laminated for re-use. Keep the graphic organizer from each handout to provide to the team. • Print a copy of the Volcanology handout for each student. Students will use the pages in this handout throughout the unit. If desired, the pages can be laminated for re-use. • Designate 4 stations around the classroom for students to read about their volcano topic: - Station 1: composite volcanoes (page 5) - Station 2: shield volcanoes (page 6) - Station 3: cinder cone volcanoes (page 7) - Station 4: active, dormant, and extinct volcanoes (page 8) Image Credit: Gary Saldana / Unsplash Developed by Learning in Motion, 2018 10 This work is licensed under a Creative Commons Attribution 4.0 International License. The Kīlauea Volcano: Be a Volcanologist Lesson 0: About Volcanoes OPENING Elicit Prior Knowledge 1. Show students the Volcano photographs. Ask students questions such as the following to engage their prior knowledge of volcanoes: • What is a volcano? • Have you ever visited a volcano? What did you observe? • Why do you think it is important to study volcanoes? • How might volcanoes affect humans? 2. Ask students to consider the following set of statements and decide whether they think each statement is true or false. You can have students raise their hand to indicate their choice or raise one finger for “true” and two fingers for “false.” • A volcano can grow or change shape over time. (true) • A volcano that hasn’t erupted in thousands of years can still erupt again in the future. (true) • All volcanoes are shaped like tall, steep cones. (false) • All volcanoes have a crater at the top with a lake of hot lava inside. (false) • Any volcano in the world might erupt at any time, and there is no way to predict it. (false) • Not all volcanic eruptions are fast and explosive. Some happen very slowly. (true) Volcano photographs Developed by Learning in Motion, 2018 11 This work is licensed under a Creative Commons Attribution 4.0 International License. The Kīlauea Volcano: Be a Volcanologist Lesson 0: About Volcanoes Introduce the Guiding Question 1. Introduce the unit Guiding Question: How do scientists monitor volcanoes in order to predict hazards and keep the public safe? 2. Let students know that over the next series of lessons, they will work as volcanologists, or scientists who study volcanoes. Explain: • Their task will be to analyze data about volcanic activity in order to keep the public safe. • Before they start analyzing data (in the next lesson), it is important that they understand the basics about volcanoes and volcanic eruptions. Today they will prepare for their role as volcanologists by exploring different types of volcanoes and their characteristics. ACTIVITY Try Sorting Volcanoes 1. Provide each student with a Volcanology handout, and explain that it contains information that they can reference throughout the unit as they work as volcanologists. Point out the sections that they will need today on pages 1–8. Volcanology handout Developed by Learning in Motion, 2018 12 This work is licensed under a Creative Commons Attribution 4.0 International License. The Kīlauea Volcano: Be a Volcanologist Lesson 0: About Volcanoes 2. Have students meet with teams of four. Provide each team with a Volcano Card Sort Data handout (either the Volcano Card Sort Online Data handout or the printed Volcano Card Sort Data handout with the cards cut out). 3. Point out that the Volcano Card Sort Data handout contains information about 11 different volcanoes. Explain that students will work with their team to take a few moments to sort the volcanoes into groups based on the photos and information provided. Students can use any criteria of their choosing to sort the volcanoes. • Print version: Students should sort the cards into piles. They can create labels for their piles using pieces of scrap paper. • Online version: Students should access the Sort tab of Lesson 0. They can drag and drop the volcanoes to sort them into groups and add labels for their categories using text boxes. • As students sort the volcanoes, they should refer to the Volcano Card Sort Data handout Volcanology handout for help understanding unfamiliar terms. 4. Allow a few teams to share the criteria they sorted their volcanoes by. For example, they might sort them based on shape, size, appearance, date of last eruption, or any other characteristic that they notice. Gather Information 1. Explain that as volcanologists, students will learn a few categories commonly used to classify volcanoes. Each student in a team will be assigned a different topic. They will read an information sheet about their topic and be responsible for helping their team sort the volcanoes based on that information. 2. Review the four topics in the Volcanology handout (pages 5–8) with the class: • What is a composite volcano? • What is a shield volcano? • What is a cinder cone volcano? • How can you tell if a volcano is active, dormant, or extinct? 3. Have teams determine which student will read each of the four topics. Instruct students to find their assigned topic in the Volcanology handout (pages 5–8). 4. Have each team member go to their designated reading station and find a partner who has the same topic (see Lesson Preparation). Allow students time to read their assigned info sheet with their partner. Developed by Learning in Motion, 2018 13 This work is licensed under a Creative Commons Attribution 4.0 International License. The Kīlauea Volcano: Be a Volcanologist Lesson 0: About Volcanoes Classify Volcanoes 1. Signal for students to meet back with their home team. Tell students that they need to work together with their team to classify each volcano as a composite volcano, shield volcano, or cinder cone volcano, and as active, dormant, or extinct. • As the team looks at each volcano together, each student should consider the information that they read in their info sheet and share any key ideas with their team that will help the team classify the volcano. • Students can also ask other team members questions about their topics. • Print version: Students should record the name of each volcano in the appropriate space in the graphic organizer. • Online version: Students should select the appropriate categories from the two drop-down menus next to each volcano profile in the Classify tab. You may also choose to provide the printed graphic organizer for students working online. • Emphasize that students should be prepared to justify their decisions about volcano classifications to the class during discussion. • Students should classify as many of the volcanoes as they can within the time limits of the activity. Discuss 1. After students have classified the volcanoes, bring the class together for discussion. 2. Draw a copy of the graphic organizer on the board. Ask for student input about how they classified the volcanoes. Ensure that students provide reasoning for each classification. A completed graphic organizer and example student responses are shown below. Students might say: • We classified Stromboli as an active composite volcano because it has a tall mountainous shape with a summit crater, and it has been explosively erupting recently. Developed by Learning in Motion, 2018 14 This work is licensed under a Creative Commons Attribution 4.0 International License. Stromboli The Kīlauea Volcano: Be a Volcanologist Lesson 0: About Volcanoes • We classified Ngauruhoe as an active composite volcano because is really tall and mountainous like most composite volcanoes, and it has erupted recently. Some of the eruptions were explosive. • We classified Gunung Agung as an active composite volcano because it has the size, shape, and appearance of a composite volcano, and it has erupted explosively recently. • We classified Erta Ale as an active volcano because it has erupted recently, and it has continuous lava lakes. It is a shield volcano because it has a broad shape and because it has eruptions from fissures on its flanks, which Gunung Agung are common in shield volcanoes. • We classified La Cumbre as an active shield volcano because effusive eruptions occur from fissures on the flanks, and they have been happening since 2009. It also has a broad shape and isn’t steep like a composite volcano. • We classified Cerro Negro as an active cinder cone volcano because it is a young volcano so it has erupted recently, and it erupts a lot of ash and volcanic debris. • We classified Mount Edgecumbe as a dormant composite volcano because it hasn’t erupted in thousands of years, but some of the eruptions were less than 10,000 years ago.
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